Aquos LC52LE640U LCD TV pdf manual download. Also for: Lc60c6400u, Lc60le640u, Lc70c6400u, Lc70le640u, Lc80le633u, Aquos lc52c6400u, Aquos lc60le640u, Aquos lc80le633u, Aquos lc70le640u, Aquos lc52le640u, All Sharp products have a serial number stated on them, some in more than one place. The serial number can be found on the original box the item was purchased in, on the product manual, and on the product in the locations described below.